BirdLife Data Zone

PH040

Lake Naujan

Current view: Data table and detailed info

IBA Justification

The site was identified as important in 2001 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Tufted Duck Aythya fuligula	LC	winter	2000	10,000 individuals	A4i
Philippine Duck Anas luzonica	VU	resident	1980-1989	uncommon	A1
Mindoro Bleeding-heart Gallicolumba platenae	CR	resident	1990-1999	present	A1, A2
Mindoro Imperial-pigeon Ducula mindorensis	EN	resident	1980-1989	present	A1, A2
Spotted Imperial-pigeon Ducula carola	VU	resident	1980-1989	present	A1
Black-hooded Coucal Centropus steerii	CR	resident	1980-1989	present	A1, A2
Mindoro Hornbill Penelopides mindorensis	EN	resident	1990-1999	present	A1, A2
Philippine Cockatoo Cacatua haematuropygia	CR	resident	1880-1900	present	A1
Ashy Thrush Geokichla cinerea	VU	resident	1970-1979	present	A1, A2
Scarlet-collared Flowerpecker Dicaeum retrocinctum	VU	resident	1980-1989	present	A1, A2

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2001).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent)	State (condition)	Pressure (threat)	Response (action)
2001	not assessed	high	not assessed
Was the whole site assessed?	State assessed by	Accuracy of information
yes	unset	good

Pressure (threats to the trigger species and/or their habitats)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Biological resource use	fishing & harvesting aquatic resources - unintentional effects: large scale	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation	Management planning	Other conservation action	Result
Not assessed	Not assessed	Not assessed	not assessed

For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Naujan Lake National Park	Ramsar Site, Wetland of International Importance	14,568	unknown	0
Naujan Lake	National Park	21,655	protected area contained by site	10,875

Habitats

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)		-
Artificial/Terrestrial		-
Forest		-

For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lake Naujan. Downloaded from http://datazone.birdlife.org/site/factsheet/lake-naujan-iba-philippines on 11/12/2023.